If a directrix of a hyperbola centered at the origin and passing through the point (4,−23) is 5x=45 and its eccentricity is e, then:
Held on 10 Apr 2019 · Verified 6 Jul 2026.
4e4+8e2−35=0
4e4−24e2+35=0
4e4−24e2+27=0
4e4−12e2−27=0
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